BIOLOGY 1114H Chapter Notes - Chapter 22: Biogeography, Carl Linnaeus, Georges Cuvier
25 Aug 2016
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Chapter 22: descent with modification: a darwinian view of life. 22-1| the darwinian revolution challenged traditional views of a young earth inhabited by unchanging. Greek philosophers thought life-forms were arranged on ladder (scala naturae) by rung. Each form of life, perfect and permanent, has allotted rung on ladder. Carolus linnaeus: swedish physician who developed two-part format for naming species. Fossils: remains or traces of organisms from the past. Paleontology: study of fossils developed by george cuvier. Lamarck had two principles: use or disuse of traits would cause evolution in regards to those traits; acquired characteristics inherited by offspring. 22-2| descent with modification by natural selection explains adaptions of organisms and unity and. Adaptions: inherited characteristics of organisms that enhance their survival and reproduction in specific environments. Natural selection: a process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.
